More complex web page
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import machine import socket import math import utime import network import time wlan = network.WLAN(network.STA_IF) wlan.active(True) wlan.connect("ssid","password") # rgb led red=machine.Pin(13,machine.Pin.OUT) green=machine.Pin(14,machine.Pin.OUT) blue=machine.Pin(15,machine.Pin.OUT) # Wait for connect or fail wait = 10 while wait > 0: if wlan.status() < 0 or wlan.status() >= 3: break wait -= 1 print('waiting for connection...') time.sleep(1) # Handle connection error if wlan.status() != 3: raise RuntimeError('wifi connection failed') else: print('connected') ip=wlan.ifconfig()[0] print('IP: ', ip) # Temperature Sensor sensor_temp = machine.ADC(4) conversion_factor = 3.3 / (65535) def temperature(): temperature_value = sensor_temp.read_u16() * conversion_factor temperature_Celcius = 27 - (temperature_value - 0.706)/0.00172169/ 8 print(temperature_Celcius) utime.sleep(2) return temperature_Celcius def webpage(value): html = f""" <!DOCTYPE html> <html> <body> <form action="./red"> <input type="submit" value="red " /> </form> <form action="./green"> <input type="submit" value="green" /> </form> <form action="./blue"> <input type="submit" value="blue" /> </form> <form action="./off"> <input type="submit" value="off" /> </form> <p>Temperature is {value} degrees Celsius</p> </body> </html> """ return html def serve(connection): while True: client = connection.accept()[0] request = client.recv(1024) request = str(request) try: request = request.split()[1] except IndexError: pass print(request) if request == '/off?': red.low() green.low() blue.low() elif request == '/red?': red.high() green.low() blue.low() elif request == '/green?': red.low() green.high() blue.low() elif request == '/blue?': red.low() green.low() blue.high() value='%.2f'%temperature() html=webpage(value) client.send(html) client.close() def open_socket(ip): # Open a socket address = (ip, 80) connection = socket.socket() connection.bind(address) connection.listen(1) print(connection) return(connection) try: if ip is not None: connection=open_socket(ip) serve(connection) except KeyboardInterrupt: machine.reset()
